/* Estimate the length of the string generated by a vprintf-like
function. Used by vasprintf and xvasprintf.
- Copyright (C) 1994, 2003, 2011, 2013, 2014 Free Software Foundation, Inc.
+ Copyright (C) 1994-2018 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or